Try to concentrate on yourself... Try to be happy with yourself.... Think about your deeds, your desire, your acts... It may lead you towards happiness.
It is true since beginning of this universe.. It is my experience. You can find happiness within you.. You will feel it and will be true for you.
while you look upon a flower, bird or butterfly.. always smile, smile and keep on smile. practicing happiness, it will become your nature.. you will become happy forever.